package com.example.shixun.service;

import com.example.shixun.pojo.Exam;
import com.example.shixun.utils.PageInfoUtil;

import java.util.List;

public interface ExamService {
    public Integer save(Exam exam);
    public PageInfoUtil<Exam> findAll(PageInfoUtil<Exam> pageInfoUtil);
    public Exam findById(Integer id);
    public Integer addStudent(Integer id);
    public Integer subStudent(Integer id);
}
